/*ID:esxgx1LANG:C++PROG:hdu4054*/#include <cstdio>#include <cstring>#include <iostream>#include <algorithm>using namespace std;int main(void){    #ifndef ONLINE_JUDGE    freopen("in.txt", "r", stdin);    #endif    char ascs[4097];    while(cin.getline(ascs, 4097)) {        int len = strlen(ascs);        for(int i=0; i<len; i+=16) {            printf("%04x: ", i);            int t = 0;            while(t<min(len-i, 16)) {                printf("%02x", ascs[t++ +i]);                if (!(t % 2)) putchar(‘ ‘);            }            while(t < 16) {                printf("  "), ++t;                if (!(t % 2)) putchar(‘ ‘);            }            t = 0;            while(t<min(len-i, 16)) {                if (ascs[t + i] >= ‘A‘ && ascs[t + i] <= ‘Z‘)                    putchar(ascs[t + i] - ‘A‘ + ‘a‘);                else if (ascs[t + i] >= ‘a‘ && ascs[t + i] <= ‘z‘)                    putchar(ascs[t + i] - ‘a‘ + ‘A‘);                else putchar(ascs[t + i]);                ++t;            }            putchar(‘\n‘);        }    }    return 0;}