#include <stdio.h>
int fact(int n);
int main(void) {
    int n;
    float result;
    printf("Enter Number to find factorial number ");
    scanf("%d", &n);
    result = fact(n);
    printf("Factorial = %f", result);
}

int fact(int n){
    if(n >= 1){
        return n * fact(n - 1);
    }
    else return 1;
}