diff --git a/src/zhaoyincreditcard.md b/src/zhaoyincreditcard.md
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+```python
+"""第一题"""
+gi = [int(i) for i in input().split()]
+sj = [int(i) for i in input().split()]
+res = 0
+for i in sj:
+    tmp = [j for j in gi if j <= i]
+    if tmp:
+        res += 1
+        gi.remove(max(tmp))
+print(res)
+
+
+"""第二题"""
+n = int(input())
+if n == 1:
+    print(1)
+elif n == 2:
+    print(2)
+else:
+    dp = [0] * n
+    dp[0] = 1
+    dp[1] = 2
+    for i in range(2, n):
+        dp[i] = dp[i-1] + dp[i-2]
+    print(dp[-1])
+
+
+"""第三题"""
+invalid = ['3', '4', '7']
+nochange = ['0', '1', '8']
+def good(n):
+    n = str(n)
+    for i in invalid:
+        if i in n:
+            return False
+    res = ''
+    for i in n:
+        if i in nochange:
+            res += i
+        if i == '2':
+            res += '5'
+        elif i == '5':
+            res += '2'
+        elif i == '6':
+            res += '9'
+        elif i == '9':
+            res += '6'
+    return res != n
+
+n = int(input())
+res = 0
+for i in range(n+1):
+    if good(i):
+        res += 1
+print(res)
+```