#include <string.h> 
int i,j;
char a[28][10]={"zero","one",
"two","three","four","five","six",
"seven","eight","nine","ten","eleven","twelve",
"thir","four","fif","six","seven","eigh","nine",
"twen","thir","for","fif","six","seven","eigh","nine"};
int main()
{	
for(i=13;i<20;i++){strcat(a+i,"teen");}
for(i=0;i<20;i++){puts(a+i);}
for(i=20;i<28;i++){puts(strcat(a+i,"ty"));
for(j=1;j<10;j++){printf("%s %s\n",a+i,a+j);}
}
puts("one hundred");
}