print(eval(input("")))

#include <stdio.h>

int check_dual_int(int arr[], int length) {
    for (int i = 0; i < length; i++) {
        for(int j=i+1; j< length; j++) {
            if(arr[i] == arr[j]) {
                return 1;
            }
        }
    }
    return 0;
}

int main() {
    int arr[] = {1, 2, 3, 1};
    int length = sizeof(arr) / sizeof(arr[0]);

    if(check_dual_int(arr, length) == 1) {
        printf("True");
    } else {
        printf("False");
    };
    return 0;
}

print(f"{"Boom":_^20}")

name = "Chiku"
age = 21
print(f"Name: {name}, Age: {age}")
# Use code and learn.

var = 100
print(f"var={var}")
print(f"{var = }")
# Use code and learn.

decimal_number = 1234.5678
percent = 0.5678
print(f"Decimal: {decimal_number:.2f}")
print(f"Percent: {percent:.2%}")
# Use code and learn.

big_number = 1000000
print(f"Big number: {big_number:,}")
# Use code and learn.

import datetime
now = datetime.datetime.now()
print(f"Date: {now:%x}")
print(f"Date and time: {now:%c}")
print(f"Time: {now:%H:%M:%S}")
# Use code and learn.

path = fr"C:\Users\{user}\Documents"
# Use code and learn.
# Do not use in big project, use this format for fun only

text = "Chiku"
print(f"{text:>20}")  # Right align
print(f"{text:^20}")  # Center align
print(f"{text:<20}")  # Left align
# Use code and learn.

class Text:
    def __init__(self, text):
        self.text = text

    def __format__(self, format_spec):
        if format_spec == "upper":
            return self.text.upper()
        elif format_spec == "lower":
            return self.text.lower()
        elif format_spec == "count":
            return str(len(self.text))
        else:
            raise ValueError(f"Invalid format specifier: {format_spec}")

text = Text("Chiku")
print(f"{text:upper}")
print(f"{text:lower}")
print(f"{text:count}")
# Use code and learn.