c
#include<stdio.h>
#include<math.h>
int fun(int n){
int b;
b= pow(n,0.5);
printf("%d",b);
}
int main(){
int n;
scanf("%d",&n);
fun(n);
return 0;
}
#include<stdio.h>
#include<math.h>
int fun(int n){
int b;
b= pow(n,0.5);
printf("%d",b);
}
int main(){
int n;
scanf("%d",&n);
fun(n);
return 0;
}