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#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>
using namespace std;
int main() {
string s;
bool first = true;
while (getline(cin, s)) {
if (first) first = false;
else printf("\n");
vector<pair<int, char> > v(96, make_pair(0, 0));
for (int i = 0; i < 96; i++) v[i].second = -(i + 32);
for (int i = 0; i < s.length(); i++) v[s[i] - 32].first++;
sort(v.begin(), v.end());
for (int i = 0; i < 96; i++) {
if (v[i].first == 0) continue;
printf("%d %d\n", -v[i].second, v[i].first);
}
}
return 0;
}
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