#include <stdio.h>

unsigned int smallGauss(unsigned int varA) {
    __asm
    {
                  mov eax, 0
                  mov ecx, varA
                  jecxz EndLoop
     ExecuteLoop: add eax, ecx
                  loop ExecuteLoop
     EndLoop:
    }
}

int main() {
  unsigned int n = 5;
  unsigned int result = smallGauss(n); // call C-function "smallGauss"
  printf( "smallGauss(%d) = %d\n", n, result); // output result to console
  return 0;
}