#include<stdio.h> int main(){ int a,b,x; scanf("%d %d",&a,&b); x=a+b; switch(x){ 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; default:printf("None");break;

}
return 0;

}