import java.util.Scanner;
public class Main {
public static void main
(String[] args
) { Scanner s
= new Scanner
(System.
in); int N;
N = s.nextInt();
int C[] = new int[N];
int l[] = new int[N];
int P[][] = new int[N][2000];
for (int j = 0; j < N; j++) {
C[j] = s.nextInt();
l[j] = s.nextInt();
for (int i = 0; i < l[j]; i++) {
P[j][i] = s.nextInt();
}
}
int g = 0;
for (int k = 0; k < N; k++) {
for (int i = 0; i < l[k]; i++) {
for (int j = 0; j < l[k]; j++) {
if (i != j) {
if (C[k] == P[k][i] + P[k][j]) {
System.
out.
println("Case #" + (k
+ 1) + ": " + (i
+ 1) + " " + (j
+ 1)); g = 1;
break;
}
}
}
if (g == 1) {
break;
}
}
g = 0;
}
s.close();
}
}
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