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451D.cpp
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451D.cpp
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#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <queue>
#include <map>
#include <set>
#include <iostream>
#include <sstream>
#include <stack>
#include <cassert>
#include <fstream>
#include <cstring>
#include <numeric>
#include <ctype.h>
#include <stdio.h>
#define MOD 100000000
#define exit return 0
#define inf 10000000000
#define exit return 0
#define PS system("pause")
#define S 100007
#define mx(a,b) a>b?a:b
#define R0(i,n) for (i = 0; i < n; i++)
#define R1(i,n) for (i = 1; i <= n; i++)
#define MS(a,x) memset(x, a, sizeof(x));
#define left (v<<1)
#define right (left|1)
#define mid ((tl+tr)>>1)
#define SZ(x) ((int)x.size())
#define MX(a,b)a>b?a:b
const double eps = 1e-10;
using namespace std;
using ll = long long;
using ul = unsigned long long;
using PII = pair<int, int>;
const int NN = 100008;
int answww[NN];
int n, m, q, a, b, c;
char in[NN];
int main(){
scanf("%s", &in);
int sz = strlen(in);
ll odd = 0;
ll even = 0;
//0-even,1-odd
ll count[2][2];
for (int i = 0; i < 2; i++)for (int j = 0; j < 2; j++)count[i][j] = 0;
for (int i = 0; i < sz; i++){
//ending wiht in[i]
odd++;
if (i % 2 == 0){
//add ending in
even += count[1][in[i] - 'a'];
odd += count[0][in[i] - 'a'];
count[0][in[i] - 'a'] += 1;
}
else{
even += count[0][in[i] - 'a'];
odd += count[1][in[i] - 'a'];
count[1][in[i] - 'a'] += 1;
}
}
printf("%I64d %I64d", even, odd);
return 0;
}