#include<stdio.h>
int main(void){
    int a, b;
    double i;
    scanf("%d",&a); scanf("%d",&b);
    if(a>=b){
        i = 1;
    }
    else{
        i = (double)b / (double)a + 1;
    }
    
    printf("%f", i);
    
    return 0;
}