#include <stdio.h>

//function definition
int square(int num){
//returns square of num
    int numSquared;

    numSquared = num * num;
    return numSquared;
}

int main(void){

    int input;
    int answer;

    printf("Enter a number to be squared!\n");
    scanf("%d", &input);
//stores square of input into var answer (function declaration)
    answer = square(input);
    printf("%d squared is %d!\n",input, answer);

    return 0;
}