#include <iostream>
using namespace std;
int sum(int a, int b);
double sum(double a, double b);
float sum(float a, float b, float c);
int main() {
cout<<sum(4,3) << "\n";
cout<<sum(4.4,3.3) << "\n";
cout<<sum(4.4,3.3,2.2) << "\n";
}
int sum(int a, int b){
return a+b;
}
double sum(double a, double b){
return a+b;
}
float sum(float a, float b, float c){
return a+b+c;
}
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