# Input output sample - 01

Input Specification:
Input starts with an integer T , denoting the number of test cases. Each test case will contain two integers a and b.

Output Specification:
For each test case, output one line in the format “Case x: c” (quotes for clarity), where x is the case number and c is the sum of a and b .

Sample Input:
2
5 10
9 4

Sample Output:
Case 1: 15
Case 2: 13

Pascal Code:
```program sample1 (input, output);

var a,b,c,cas,i: integer;

begin
readln(cas);
for i:=1 to cas do begin
readln(a,b);
c:=a+b;
Writeln('Case ',i,': ',c);
end;
end.```

C Code :
```#include <stdio.h>

int main(){
int cas,i,a,b,c;
scanf("%d",&cas);
for(i=1;i<=cas;i++){
scanf("%d %d",&a,&b);
c=a+b;
printf("Case %d: %d\n",i,c);
}
return 0;
}```

C++ Code:
```#include <iostream>

using namespace std;

int main(){
int cas,i,a,b,c;
cin>>cas;
for(i=1;i<=cas;i++){
cin>>a>>b;
c=a+b;
cout<<"Case "<<i<<": "<<c<<endl;
}
return 0;
}```

Java Code:
```import java.util.*;

class Main{
public static void main(String args[]){
int cas,i,a,b,c;
Scanner sc = new Scanner(System.in);
cas = sc.nextInt();
for(i=1;i<=cas;i++){
a = sc.nextInt();
b = sc.nextInt();
c = a+b;
System.out.println("Case "+i+": "+c);
}
}
}```