#include <stdio.h>
 
// Function declaration
int findLCM(int a, int b);
 
int main() {
    int num1, num2, result;
 
    // Input two positive integers
    printf("Enter two positive integers: ");
    scanf("%d %d", &num1, &num2);
 
    // Validate input
    if (num1 <= 0 || num2 <= 0) {
        printf("Please enter positive integers only.\n");
        return 0;
    }
 
    // Function call
    result = findLCM(num1, num2);
 
    // Display result
    printf("LCM of %d and %d is %d\n", num1, num2, result);
 
    return 0;
}
 
// Function definition
int findLCM(int a, int b) {
    int lcm;
 
    // Start from the greater number
    lcm = (a > b) ? a : b;
 
    // Loop until LCM is found
    while (1) {
        if (lcm % a == 0 && lcm % b == 0)
            return lcm;   // Return when both divide evenly
        lcm++;
    }
}