1 files changed, 19 insertions, 0 deletions
diff --git a/10812/beat.c b/10812/beat.c
new file mode 100644
index 0000000..58312fe
--- /dev/null
+++ b/10812/beat.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+int main(){
+    int tc;
+    scanf("%d", &tc);
+    while(tc--){
+	int s, d, s1, s2;
+	scanf("%d %d", &s, &d);
+
+	if(s < d || (s-d)%2!=0){
+	    printf("impossible\n");
+	}
+	else{
+	    s1 = (s-d)/2;
+	    s2 = s1+d;
+	    printf("%d %d\n", s2, s1);
+	}
+    }   
+}