//C program to find the sum of n
//natural numbers using recursion
#include <stdio.h>

//Returns the sum of first n
//natural numbers
int recSum(int n)
{
//Base condition
    if(n<=1)
        return n;

//Recursive call
   return n+recSum(n-1);
}

//Driver Code
int main() {
    int n=10;
    printf("Sum=%d",recSum(n));
    return 0;
}