#include <stdio.h>
//DOB 10-12-91
//output : one lakh one thousand two hundred ninety one

int main()
{
	int num;

	printf("Please enter the number between 0 and 999999\n");
	scanf("%d",&num);
	if(num < 0 || num > 999999){
		printf("INVALID INPUT\n");
		return 0;
	}
	int a[6];
	int cnt=5;
	if(num == 0){
		printf("zero\n");
		return 0;
	}

	while(num > 0 || cnt >=0){
		if(num == 0){
			a[cnt--] = 0;
		}else{
			a[cnt--] = num % 10;
			num = num /10;
		}
	}
	if(a[0]!=0){
		switch(a[0]){
			case 1: printf("one"); break;
			case 2: printf("two"); break;		//this will not get executed
			case 3: printf("three");  break;	//this will not get executed
			case 4: printf("four"); break;		//this will not get executed
			case 5: printf("five"); break;		//this will not get executed
			case 6: printf("six"); break;		//this will not get executed
			case 7: printf("seven"); break;		//this will not get executed
			case 8: printf("eight"); break;		//this will not get executed
			case 9: printf("nine"); break;		//this will not get executed
		}
		printf(" lakh");
	}
	if(a[1]==0){
		if(a[2] != 0){
			switch(a[2]){
				case 1: printf(" one"); break;
				case 2: printf(" two"); break;		//this will not get executed
				case 3: printf(" three");  break;	//this will not get executed
				case 4: printf(" four"); break;		//this will not get executed
				case 5: printf(" five"); break;		//this will not get executed
				case 6: printf(" six"); break;		//this will not get executed
				case 7: printf(" seven"); break;	//this will not get executed
				case 8: printf(" eight"); break;	//this will not get executed
				case 9: printf(" nine"); break;		//this will not get executed
			}
			printf(" thousand");
		}
	}else {											 //this whole else block will not get executed
		if( (a[1]*10 + a[2]) >= 10 && (a[1]*10 + a[2]) < 20){ 
			switch(a[1]*10 + a[2]){
				case 10: printf(" ten"); break; 
				case 11: printf(" eleven"); break;
				case 12: printf(" twelve"); break;
				case 13: printf(" thirteen"); break;
				case 14: printf(" fourteen");  break;
				case 15: printf(" fifteen"); break;
				case 16: printf(" sixteen"); break;
				case 17: printf(" seventeen"); break;
				case 18: printf(" eighteen"); break;
				case 19: printf(" nineteen"); break;
			}
			printf(" thousand");
		}else {
			switch(a[1]){
				case 2: printf(" twenty"); break;
				case 3: printf(" thirty");  break;
				case 4: printf(" forty"); break;
				case 5: printf(" fifty"); break;
				case 6: printf(" sixty"); break;
				case 7: printf(" seventy"); break;
				case 8: printf(" eighty"); break;
				case 9: printf(" ninety"); break;
			}
			switch(a[2]){
				case 1: printf(" one"); break;
				case 2: printf(" two"); break;
				case 3: printf(" three");  break;
				case 4: printf(" four"); break;
				case 5: printf(" five"); break;
				case 6: printf(" six"); break;
				case 7: printf(" seven"); break;
				case 8: printf(" eight"); break;
				case 9: printf(" nine"); break;
			}
			printf(" thousand");
		}
	}
	if(a[3] != 0){
		switch(a[3]){
			case 1: printf(" one"); break;		//this will not get executed
			case 2: printf(" two"); break;
			case 3: printf(" three");  break;	//this will not get executed
			case 4: printf(" four"); break;		//this will not get executed
			case 5: printf(" five"); break;		//this will not get executed
			case 6: printf(" six"); break;		//this will not get executed
			case 7: printf(" seven"); break;	//this will not get executed
			case 8: printf(" eight"); break;	//this will not get executed
			case 9: printf(" nine"); break;		//this will not get executed
		}
		printf(" hundred ");
	}
	if(a[4]==0){ 								//this if will not get executed
		if(a[5] != 0){
			switch(a[5]){
				case 1: printf(" one"); break;
				case 2: printf(" two"); break;
				case 3: printf(" three");  break;
				case 4: printf(" four"); break;
				case 5: printf(" five"); break;
				case 6: printf(" six"); break;
				case 7: printf(" seven"); break;
				case 8: printf(" eight"); break;
				case 9: printf(" nine"); break;
			}
		}
	}else {
		if( (a[4]*10 + a[5]) >= 10 && (a[4]*10 + a[5]) < 20){ 
			switch(a[4]*10 + a[5]){						//this switch will not get executed
				case 10: printf(" ten"); break;
				case 11: printf(" eleven"); break;
				case 12: printf(" twelve"); break;
				case 13: printf(" thirteen"); break;
				case 14: printf(" fourteen");  break;
				case 15: printf(" fifteen"); break;
				case 16: printf(" sixteen"); break;
				case 17: printf(" seventeen"); break;
				case 18: printf(" eighteen"); break;
				case 19: printf(" nineteen"); break;
			}
		}else {
			switch(a[4]){
				case 2: printf(" twenty"); break;		//this will not get executed
				case 3: printf(" thirty");  break;		//this will not get executed
				case 4: printf(" forty"); break;		//this will not get executed
				case 5: printf(" fifty"); break;		//this will not get executed
				case 6: printf(" sixty"); break;		//this will not get executed
				case 7: printf(" seventy"); break;		//this will not get executed
				case 8: printf(" eighty"); break;		//this will not get executed
				case 9: printf(" ninety"); break;
			}
			switch(a[5]){
				case 1: printf(" one"); break;
				case 2: printf(" two"); break;			//this will not get executed
				case 3: printf(" three");  break;		//this will not get executed
				case 4: printf(" four"); break;			//this will not get executed
				case 5: printf(" five"); break;			//this will not get executed
				case 6: printf(" six"); break;			//this will not get executed
				case 7: printf(" seven"); break;		//this will not get executed
				case 8: printf(" eight"); break;		//this will not get executed
				case 9: printf(" nine"); break;			//this will not get executed
			}
		}
	}
	printf("\n");
	return 0;
}