#include <stdio.h>
int main(void){
int x,heihoukon,n,i;
printf("x: ");scanf("%d", &x);
i=1;
heihoukon=0;
while(heihoukon*heihoukon<x)
heihoukon=heihoukon+1;
if(heihoukon*heihoukon==x)
printf("heihoukon:%d\n",heihoukon);
else
printf("heihoukon ha %d-1 kara%d no aida \n",heihoukon,heihoukon);
while(i<=heihoukon){
i=i+1;
if(x%i==0)
printf("x is not sosu\n");break;}
if(i>heihoukon)
printf("x is sosuu\n");
return(0);
}