#include <stdio.h>

int main() {
    int age;
    float height;
    
    do {
        printf("Enter age in years: ");
        scanf("%d", &age);
        if (age < 0 || age > 150) {
            printf("Invalid age. Please enter an age between 0 and 150 years.\n");
        }
    {  
    while (age < 0 || age > 150);