diff --git a/shige_2nd.cpp b/shige_2nd.cpp
new file mode 100644
index 0000000..6ec7a92
--- /dev/null
+++ b/shige_2nd.cpp
@@ -0,0 +1,32 @@
+#include<stdio.h>
+#include<stdlb.h>
+#include<time.h>
+
+bool dice(int num1,int num2);
+
+int main(void){
+  srand((unsigned int)time(NULL));
+
+  printf("1dn m?\n>>");
+  int num1,num2;
+
+  scanf_s("%d %d",&num1,&num2);
+
+  if(dice(num1,num2)){
+    printf("成功です\n");
+    return 0;
+  }
+
+  printf("失敗です\n");
+
+  return 0;
+}
+
+bool dice(int num1,int num2){
+  bool ans = true;
+  int num = rand() % num1;
+  printf("%d\n",num);
+
+  ans = num > num2;
+  return ans;
+}
\ No newline at end of file