19 lines
369 B
C++
19 lines
369 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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string a;
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//注意，这里是有空格的语句，不能直接使用cin!!!
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getline(cin, a);
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int count = 0;
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for (int i = 0; i < a.length(); i++) {
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if (a[i] >= '0' && a[i] <= '9') {
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count++;
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}
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}
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cout << count << endl;
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return 0;
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}
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