UVa 11984 - A Change in Thermal Unit

//\\__ hr1212 __//\\

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef map<int,int> mi;

#define si(a) scanf("%d",&a)
#define sii(a,b) scanf("%d %d",&a,&b)
#define siii(a,b,c) scanf("%d %d %d",&a,&b,&c)
#define pi(a) printf("%d\n",a)
#define nl printf("\n");
#define pb push_back
#define mp make_pair
#define all(c) (c).begin(),(c).end()
#define f(i,a,b) for(i=a;i<b;i++)
#define rf(i,a,b) for(i=a;i>=b;i--)
#define clr(x,a) memset(x,a,sizeof(x))
#define MAX 1000100
#define MOD 1000000007

int n,m;

int main(){
    int tt,r,k,i,c=0,j,t,l,z,x1=0,y1=0;
    ll ans=0;string p;
    double x,y;

    tt=1;
    si(t);
    while(t--){
        sii(n,m);
        x=9*n/5.0+32;
        x+=m;
        y=(x-32)*5/9;
        printf("Case %d: %.2lf\n",tt++,y);
    }

    return 0;
}